Don't drop to sulogin by default, but make this configurable.

etc/rc.conf.in

@@ -7,12 +7,16 @@
 # WARNING: whilst we have improved parallel, it can still potentially lock
 # the boot process. Don't file bugs about this unless you can supply
 # patches that fix it without breaking other things!
-rc_parallel="NO"
+#rc_parallel="NO"
 
 # Set rc_interactive to "YES" and you'll be able to press the I key during
 # boot so you can choose to start specific services. Set to "NO" to disable
 # this feature.
-rc_interactive="YES"
+#rc_interactive="YES"
+
+# If we need to drop to a shell, you can specify it here.
+# Linux users could specify /sbin/sulogin
+#rc_shell=/bin/sh
 
 # Do we allow any started service in the runlevel to satisfy the depedency
 # or do we want all of them regardless of state? For example, if net.eth0
@@ -20,7 +24,7 @@ rc_interactive="YES"
 # both will be started, but services that depend on 'net' will work if either
 # one comes up. With rc_depend_strict="YES" we would require them both to
 # come up.
-rc_depend_strict="YES"
+#rc_depend_strict="YES"
 
 # rc_hotplug is a list of services that we allow to be hotplugged.
 # By default we do not allow hotplugging.
@@ -38,11 +42,11 @@ rc_depend_strict="YES"
 # /var/log/rc.log
 # NOTE: Linux systems require the devfs service to be started before
 # logging can take place and as such cannot log the sysinit runlevel.
-rc_logger="NO"
+#rc_logger="YES"
 
 # By default we filter the environment for our running scripts. To allow other
 # variables through, add them here. Use a * to allow all variables through.
-# rc_env_allow="VAR1 VAR2"
+#rc_env_allow="VAR1 VAR2"
 
 # By default we assume that all daemons will start correctly.
 # However, some do not - a classic example is that they fork and return 0 AND
@@ -50,9 +54,9 @@ rc_logger="NO"
 # child crashes. You can set the number of milliseconds start-stop-daemon
 # waits to check that the daemon is still running after starting here.
 # The default is 0 - no checking.
-# rc_start_wait=100
+#rc_start_wait=100
 
-# rc_nostop is a list of services that rc will not stop when changing runlevels.
+# rc_nostop is a list of services which will not stop when changing runlevels.
 # Network clients may wish to add network to the list.
 # This still allows the service itself to be stopped when called directly.
 #rc_nostop="network"
@@ -68,7 +72,7 @@ rc_logger="NO"
 # There variables are shared between many init scripts
 
 # Set unicode to YES to turn on unicode support for keyboards and screens.
-unicode="NO"
+#unicode="NO"
 
 # Network fstypes. Below is the default.
 net_fs_list="afs cifs coda davfs fuse gfs ncpfs nfs nfs4 ocfs2 shfs smbfs"

src/rc/rc.c

@@ -299,7 +299,7 @@ run_program(const char *prog)
 		if (termios_orig)
 			tcsetattr(STDIN_FILENO, TCSANOW, termios_orig);
 
-		execl(prog, prog, (char *) NULL);
+		execl(prog, prog, (char *)NULL);
 		eerror("%s: unable to exec `%s': %s", applet, prog,
 		    strerror(errno));
 		_exit(EXIT_FAILURE);
@@ -312,12 +312,14 @@ run_program(const char *prog)
 }
 
 static void
-sulogin(bool cont)
+open_shell(void)
 {
+	const char *shell;
+	
 #ifdef __linux__
 	const char *sys = rc_sys();
 
-	/* VSERVER and OPENVZ systems cannot do a sulogin */
+	/* VSERVER and OPENVZ systems cannot really drop to shells */
 	if (sys &&
 	    (strcmp(sys, "VSERVER") == 0 || strcmp(sys, "OPENVZ") == 0))
 	{
@@ -326,15 +328,11 @@ sulogin(bool cont)
 		    applet, strerror(errno));
 	}
 #endif
-	if (!cont) {
-		rc_logger_close();
-		exit(EXIT_SUCCESS);
-	}
-#ifdef __linux__
-	run_program(SULOGIN);
-#else
-	run_program("/bin/sh");
-#endif
+
+	shell = rc_conf_value("rc_shell");
+	if (shell == NULL)
+		shell = "/bin/sh";
+	run_program(shell);
 }
 
 _dead static void
@@ -695,7 +693,7 @@ do_start_services(bool parallel)
 			case '1': break;
 			case '2': continue;
 			case '3': interactive = false; break;
-			case '4': sulogin(true); goto interactive_retry;
+			case '4': open_shell(); goto interactive_retry;
 			default: goto interactive_option;
 			}
 		}